Name this line.
line JK or line KJ
What is pythagorean theorem?
a2 + b2 = c2
What does the congruent sign look like?
What does a ray look like and give me an example of how it is named.
What is the definition or an example of a vertical angle?
Tell me what collinear and coplanar mean.
Collinear: points that are on the same line.
Coplanar: points on the same plane
What is the distance formula?
square root (x2-x1)2 + (y2-y1)2
What does congruent mean?
exactly the same shape and size.
What is an angle bisector?
a ray that divides an angle into two congruent angles.
What is the difference between complementary and supplementary angles?
Complementary: is two angles whose sum adds up to 90 degrees.
Supplementary: two angles whose measure adds up to 180 degrees.
Name 3 collinear and coplanar points.
Collinear: S,P,T
Coplanar: V, T, S
6
Ray AB bisects angle CAD, if angle CAB=4x+8 and angle BAD= 2x+10, what is x?
x=1
measure of angle 1=145
measure of angle 2=35
Name the intersection of planes P and Q.
Draw a picture and solve.
If Y is between X and Z and line segment XZ=10x-15, line segment XY= 5x-20, and line segment YZ=40, find what x is and the measure of line segment XZ.
x= 7
line segment XZ= 55
Find the coordinates of the midpoint of a segment with given endpoints.
M(8,0) and N(10,-8)
midpoint: (9, -4)
Look on the board for this one.
In the figure, ray KJ and KL are opposite rays. Ray KN bisects angle LKM.
If measure of angle LKM=8x-4 and measure of angle NKM=3x-6. Find measure angle LKM
60 degrees
Solve for x.
x=8
Name 3 non-coplanar points.
T, H, Y or T, L, D
Find the distance between A (2,3) and B(5,7).
5
Find the coordinates of R if N (5,-4) is the midpoint of line RS and S has coordinates of (-9, 3)
R: (19, -11)
Look on the board for this one.
In the figure, ray KJ and KL are opposite rays. Ray KN bisects angle LKM.
If measure of angle NKL=3x-9 and measure of angle JKM=x+3. Find measure of angle JKN.
Round to the nearest whole.
104
Find the measures of two supplementary angles if the measure of angle one is 5 less than 4 times than the measure of angle 2.
measure of angle 1= 143
measure of angle 2= 37